Try connecting using the console. Type 'connect' (without quotes) followed by the IP of the host. We had the same issue and this fixed it for us.

thanks

Not much we can do, there is literally one person who would be able to help you.

sunnyl still works, thanks!

This was all I had to do lol, thanks for help!

yes, I did but it was disconnected

Screenshot your game folder.

Try to reboot your PC.

That doesn't look like any supported Windows version.
What does winver look like when you run it?

Hi. I decided to hop on IW5 once again after not playing for a while. This issue still persists. Is there a fix for it?

Should be the same key(s) to open and close the console

You can use the external console (cmd/terminal) instead if your keyboard acts weird

ok ill try